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test(ai): cover copilot claude messages routing + headers

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Nate Smyth 2026-02-06 05:07:07 -05:00 • committed by Mario Zechner
parent 7eb969ddb1
commit cf1353b8e7
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packages/ai/test/github-copilot-claude-messages-routing.test.ts Normal file
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import { describe, expect, it } from "vitest";
import { getModel } from "../src/models.js";
describe("Copilot Claude model routing", () => {
it("routes claude-sonnet-4 via anthropic-messages API", () => {
const model = getModel("github-copilot", "claude-sonnet-4");
expect(model).toBeDefined();
expect(model.api).toBe("anthropic-messages");
});
it("routes claude-sonnet-4.5 via anthropic-messages API", () => {
const model = getModel("github-copilot", "claude-sonnet-4.5");
expect(model).toBeDefined();
expect(model.api).toBe("anthropic-messages");
});
it("routes claude-haiku-4.5 via anthropic-messages API", () => {
const model = getModel("github-copilot", "claude-haiku-4.5");
expect(model).toBeDefined();
expect(model.api).toBe("anthropic-messages");
});
it("routes claude-opus-4.5 via anthropic-messages API", () => {
const model = getModel("github-copilot", "claude-opus-4.5");
expect(model).toBeDefined();
expect(model.api).toBe("anthropic-messages");
});
it("does not have compat block on Claude models (completions-API-specific)", () => {
const sonnet = getModel("github-copilot", "claude-sonnet-4");
expect((sonnet as any).compat).toBeUndefined();
});
it("preserves static Copilot headers on Claude models", () => {
const model = getModel("github-copilot", "claude-sonnet-4");
expect(model.headers).toBeDefined();
expect(model.headers!["User-Agent"]).toContain("GitHubCopilotChat");
expect(model.headers!["Copilot-Integration-Id"]).toBe("vscode-chat");
});
it("keeps non-Claude Copilot models on their existing APIs", () => {
// Spot-check: gpt-4o should stay on openai-completions
const gpt4o = getModel("github-copilot", "gpt-4o");
expect(gpt4o).toBeDefined();
expect(gpt4o.api).toBe("openai-completions");
// Spot-check: gpt-5 should stay on openai-responses
const gpt5 = getModel("github-copilot", "gpt-5");
expect(gpt5).toBeDefined();
expect(gpt5.api).toBe("openai-responses");
});
});